<template>
  <div class="pay-checkout-page">
    <div class="container">
      <Bread>
        <BreadItem to="/">首页</BreadItem>
        <BreadItem to="/cart">购物车</BreadItem>
        <BreadItem>填写订单</BreadItem>
      </Bread>
      <div class="wrapper" v-if="checkoutInfo">
        <!-- 收货地址 -->
        <h3 class="box-title">收货地址</h3>
        <div class="box-body">
          <CheckoutAddress @change="changeAddress" :addressList="checkoutInfo.userAddresses" />
        </div>
        <!-- 商品信息 -->
        <h3 class="box-title">商品信息</h3>
        <div class="box-body">
          <table class="goods">
            <thead>
              <tr>
                <th width="520">商品信息</th>
                <th width="170">单价</th>
                <th width="170">数量</th>
                <th width="170">小计</th>
                <th width="170">实付</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="goods in checkoutInfo.goods" :key="goods.skuId">
                <td>
                  <a href="javascript:;" class="info">
                    <img :src="goods.picture" alt />
                    <div class="right">
                      <p>{{ goods.name }}</p>
                      <p>{{ goods.attrsText }}</p>
                    </div>
                  </a>
                </td>
                <td>&yen;{{ goods.price }}</td>
                <td>{{ goods.count }}</td>
                <td>&yen;{{ goods.price }}</td>
                <td>&yen;{{ goods.payPrice }}</td>
              </tr>
            </tbody>
          </table>
        </div>

        <!-- 配送时间 -->
        <h3 class="box-title">配送时间</h3>
        <div class="box-body">
          <a class="my-btn active" href="javascript:;">不限送货时间：周一至周日</a>
          <a class="my-btn" href="javascript:;">工作日送货：周一至周五</a>
          <a class="my-btn" href="javascript:;">双休日、假日送货：周六至周日</a>
        </div>
        <!-- 支付方式 -->
        <h3 class="box-title">支付方式</h3>
        <div class="box-body">
          <a class="my-btn active" href="javascript:;">在线支付</a>
          <a class="my-btn" href="javascript:;">货到付款</a>
          <span style="color:#999">货到付款需付5元手续费</span>
        </div>
        <!-- 金额明细 -->
        <h3 class="box-title">金额明细</h3>
        <div class="box-body">
          <div class="total">
            <dl>
              <dt>商品件数：</dt>
              <dd>{{ checkoutInfo.summary.goodsCount }} 件</dd>
            </dl>
            <dl>
              <dt>商品总价：</dt>
              <dd>¥{{ checkoutInfo.summary.totalPrice }}</dd>
            </dl>
            <dl>
              <dt>
                运
                <i></i>费：
              </dt>
              <dd>¥{{ checkoutInfo.summary.postFee }}</dd>
            </dl>
            <dl>
              <dt>应付总额：</dt>
              <dd class="price">¥{{ checkoutInfo.summary.totalPayPrice }}</dd>
            </dl>
          </div>
        </div>
        <!-- 提交订单 -->
        <div class="submit">
          <Button @click="submitOrder" type="primary">提交订单</Button>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import { ref, reactive } from "vue"
import { findCheckoutInfo, createOrder, findOrderRepurchase } from "@/api/order"
import CheckoutAddress from "./components/checkout-address.vue";
import Dialog from "@/components/library/Dialog.vue";
import Message from "@/components/library/Message";
import { useRoute, useRouter } from "vue-router";
export default {
  name: "PayCheckoutPage",
  components: { CheckoutAddress, Dialog },
  setup(props) {
    const route = useRoute()

    // 结算订单的商品信息
    const checkoutInfo = ref(null)
    const orderId = route.query.id

    /**
     *  在结算页码根据地址栏是否又订单ID来判断结算方式
     *  没有ID：结算购物车种选中的商品
     *  如有ID：结算该订单ID下的商品
     *  提供一个API函数去生成结算信息
     */
    if (orderId) {
      findOrderRepurchase(orderId).then(data => {
        checkoutInfo.value = data.result
        // 设置提交订单时的商品信息
        requestParams.goods = checkoutInfo.value.goods.map(({ skuId, count }) => ({ skuId, count }))
      })
    } else {
      // 根据购物车商品生成订单信息
      findCheckoutInfo().then(data => {
        checkoutInfo.value = data.result
        // 设置提交订单时的商品信息
        requestParams.goods = checkoutInfo.value.goods.map(({ skuId, count }) => ({ skuId, count }))
        console.log(requestParams.goods);
      })
    }

    // 提交订单需要的字段
    const requestParams = reactive({
      addressId: null,
      deliveryTimeType: 1,
      payType: 1,
      buyerMessage: '',
      goods: []
    })

    // 更新收获地址id
    const changeAddress = (id) => {
      requestParams.addressId = id
    }

    // 提交订单
    const router = useRouter()
    const submitOrder = async () => {
      if (!requestParams.addressId) return Message({ text: "请先选择收货地址" })
      const data = await createOrder(requestParams)
      console.log('创建结算订单信息: ', data);
      Message({ type: 'success', text: "创建订单成功!" })
      router.push({
        path: '/member/pay',
        query: { id: data.result.id }
      })
    }

    return {
      checkoutInfo,
      changeAddress,
      submitOrder
    }
  }
}
</script>

<style scoped lang="less">
.pay-checkout-page {
  .wrapper {
    background: #fff;
    padding: 0 20px;

    .box-title {
      font-size: 16px;
      font-weight: normal;
      padding-left: 10px;
      line-height: 70px;
      border-bottom: 1px solid #f5f5f5;
    }

    .box-body {
      padding: 20px 0;
    }
  }
}

.address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;

  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;

    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }

    >ul {
      flex: 1;
      padding: 20px;

      li {
        line-height: 30px;

        span {
          color: #999;
          margin-right: 5px;

          >i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }

    >a {
      color: @xtxColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }

  .action {
    width: 420px;
    text-align: center;

    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;

      &:first-child {
        margin-right: 10px;
      }
    }
  }
}

.goods {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;

  .info {
    display: flex;
    text-align: left;

    img {
      width: 70px;
      height: 70px;
      margin-right: 20px;
    }

    .right {
      line-height: 24px;

      p {
        &:last-child {
          color: #999;
        }
      }
    }
  }

  tr {
    th {
      background: #f5f5f5;
      font-weight: normal;
    }

    td,
    th {
      text-align: center;
      padding: 20px;
      border-bottom: 1px solid #f5f5f5;

      &:first-child {
        border-left: 1px solid #f5f5f5;
      }

      &:last-child {
        border-right: 1px solid #f5f5f5;
      }
    }
  }
}

.my-btn {
  width: 228px;
  height: 50px;
  border: 1px solid #e4e4e4;
  text-align: center;
  line-height: 48px;
  margin-right: 25px;
  color: #666666;
  display: inline-block;

  &.active,
  &:hover {
    border-color: @xtxColor;
  }
}

.total {
  dl {
    display: flex;
    justify-content: flex-end;
    line-height: 50px;

    dt {
      i {
        display: inline-block;
        width: 2em;
      }
    }

    dd {
      width: 240px;
      text-align: right;
      padding-right: 70px;

      &.price {
        font-size: 20px;
        color: @priceColor;
      }
    }
  }
}

.submit {
  text-align: right;
  padding: 60px;
  border-top: 1px solid #f5f5f5;
}
</style>